21120101000022 has 8 divisors (see below), whose sum is σ = 42240202000056. Its totient is φ = 7040033666672.

The previous prime is 21120101000003. The next prime is 21120101000023. The reversal of 21120101000022 is 22000010102112.

It is a sphenic number, since it is the product of 3 distinct primes.

21120101000022 is an admirable number.

It is a super-2 number, since 2×21120101000022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21120100999971 and 21120101000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120101000023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760008416663 + ... + 1760008416674.

It is an arithmetic number, because the mean of its divisors is an integer number (5280025250007).

Almost surely, 2^{21120101000022} is an apocalyptic number.

21120101000022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21120101000022 is a wasteful number, since it uses less digits than its factorization.

21120101000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520016833342.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21120101000022 its reverse (22000010102112), we get a palindrome (43120111102134).

The spelling of 21120101000022 in words is "twenty-one trillion, one hundred twenty billion, one hundred one million, twenty-two", and thus it is an aban number.